System information

Chapter 11. Storage Considerations During Installation
Many storage device and file system settings can only be configured at install time. Other settings,
such as file system type, can only be modified up to a certain point without requiring a reformat. As
such, it is prudent that you plan your storage configuration accordingly before installing Red Hat
Enterprise Linux 6.
This chapter discusses several considerations when planning a storage configuration for your
system. For actual installation instructions (including storage configuration during installation), refer
to the Installation Guide provided by Red Hat.
11.1. Updat es t o St orage Configurat ion During Inst allat ion
Installation configuration for the following settings/devices has been updated for Red Hat Enterprise
Linux 6:
Fib re- Ch an n el over Et hern et ( FCo E)
An aco n da can now configure FCoE storage devices during installation.
St o rag e Device Filt erin g In t erf ace
An aco n da now has improved control over which storage devices are used during installation. You
can now control which devices are available/visible to the installer, in addition to which devices are
actually used for system storage. There are two paths through device filtering:
Basic Pat h
For systems that only use locally attached disks and firmware RAID arrays as storage
devices
Ad van ced Pat h
For systems that use SAN (e.g. multipath, iSCSI, FCoE) devices
Au t o - p art it io n in g and /h o me
Auto-partitioning now creates a separate logical volume for the /ho me file system when 50GB or
more is available for allocation of LVM physical volumes. The root file system (/) will be limited to a
maximum of 50GB when creating a separate /ho me logical volume, but the /ho me logical volume
will grow to occupy all remaining space in the volume group.
11.2. Overview of Support ed File Syst ems
This section shows basic technical information on each file system supported by Red Hat Enterprise
Linux 6.
T able 11.1. T ech n ical Sp ecif icat io n s o f Su p p o rt ed File Syst ems
File
Syst em
Max
Su p p o rt ed
Siz e
Max File
O f f set
Max
Su b d irect
o ries (per
d irect ory)
Max Dep t h
o f
Symb olic
Lin ks
ACL
Su p p o rt
Det ails
Ext2 8TB 2TB 32,000 8 Yes N/A
⁠Chapt er 1 1 . St orage Considerat ions During Inst allat ion
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